1541220432 has 40 divisors (see below), whose sum is σ = 4154597184. Its totient is φ = 491403264.

The previous prime is 1541220427. The next prime is 1541220467. The reversal of 1541220432 is 2340221451.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696913 + ... + 699120.

Almost surely, 2^1541220432 is an apocalyptic number.

1541220432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1541220432 is an abundant number, since it is smaller than the sum of its proper divisors (2613376752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1541220432 is a wasteful number, since it uses less digits than its factorization.

1541220432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396067 (or 1396061 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1541220432 is about 39258.3804046983. The cubic root of 1541220432 is about 1155.1053250027.

Adding to 1541220432 its reverse (2340221451), we get a palindrome (3881441883).

The spelling of 1541220432 in words is "one billion, five hundred forty-one million, two hundred twenty thousand, four hundred thirty-two".